Building technical systems involves a lot of hard work and specialized knowledge: languages and protocols coding and debugging testing and refactoring.
Science fiction writers I am sorry to say really do not know anything. We can't talk about science because our knowledge of it is limited and unofficial and usually our fiction is dreadful.
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He will therefore have to use what knowledge he can achieve not to shape the results as the craftsman shapes his handiwork but rather to cultivate a growth by providing the appropriate environment in the manner in which the gardener does this for his plants.